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Finding the Fourth Proportional to 601.84, 900.66 and 416.93

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Solution

The fourth proportional to 601.84, 900.66 and 416.93 is: 623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.84 : 900.66 = 416.93 : x
  2. Step 2: Convert to fraction form
    601.84/900.66 = 416.93/x
  3. Step 3: Cross multiply
    601.84x = 900.66 × 416.93
  4. Step 4: Simplify right side
    601.84x = 375,512.17
  5. Step 5: Solve for x
    x = 375,512.17/601.84
  6. Step 6: Final answer
    x = 623.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.